Support for Doxygen documentation comments which are parsed and converted into JavaDoc or PyDoc comments.
STL wrappers improved for C#, Java and Ruby.
C++11 STL containers added for Java, Python and Ruby.
Improved support for parsing C++11 and C++14 code.
Various fixes for shared_ptr.
Various C preprocessor corner case fixes.
Corner case fixes for member function pointers.
Python module overhaul by simplifying the generated code and turning most optimizations on by default.
%template improvements wrt scoping to align with C++ explicit template instantiations.
Added support for a command-line options file (sometimes called a response file).
Numerous enhancements and fixes for all supported target languages.
SWIG now classifies the status of target languages into either 'Experimental' or 'Supported' to indicate the expected maturity level.
Support for CFFI, Allegrocl, Chicken, CLISP, S-EXP, UFFI, Pike, Modula3 has been removed.
Octave 4.4-5.1 support added.
PHP5 support removed, PHP7 is now the supported PHP version.
Minimum Python version required is now 2.7, 3.2-3.7 are the only other versions supported.
Added support for Javascript NodeJS versions 2-10.
OCaml support is much improved and updated, minimum OCaml version required is now 3.12.0.